Lifetime regular exercise affects the incident of different arrhythmias and improves organismal health in aging female Drosophila melanogaster

Lifetime regular exercise affects the incident of different arrhythmias and improves organismal health in aging female Drosophila melanogaster
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终生定期运动会影响老年雌性黑腹果蝇不同心律失常的发生率并改善机体健康

DOI:
10.1007/s10522-016-9665-5
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发表时间:
2016-10
期刊:
影响因子:
4.5
通讯作者:
Wu Xiu Shan
Wu Xiu Shan
中科院分区:
医学3区
文献类型:
--
作者:
Zheng Lan;Li Qiu Fang;Ni Liu;Wang Hui;Ruan Xiang Cheng;Wu Xiu Shan

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我们以黑腹果蝇作为动物模型系统,研究了早期运动训练对心脏功能的影响,并讨论了心肌收缩蛋白肌球蛋白(myosin)的变化。我们还利用果蝇活动监测系统分析了早期体育锻炼对机体衰老的影响。我们发现,经过一生的体育锻炼后,各种心律失常是老年果蝇心脏频谱的一部分,这可以通过减少纤颤的发生率和增加心动过缓的发生率来证明。心肌肌球蛋白水平的维持可能是这些运动诱导的老年心功能改善的潜在因素。此外,我们发现运动训练通过改善与年龄相关的睡眠效率低下、碎片化和睡眠巩固来改善睡眠质量。
We used Drosophila melanogaster as an animal model system to study the impact of exercise training initiated early in life on cardiac function using a well-established model of inherent myogenic properties of the heart and discussed the changes on myosin, a myocardial contractile protein. We also explored the effect of early physical exercise on organismal aging by analyzing the wake-sleep pattern using a Drosophila activity monitor system. We found that a variety of arrhythmias are part of the heart spectrum in old flies after a lifetime of physical exercise as evidenced by reducing the incidence of fibrillations and increasing the occurrence of bradycardias. Maintenance of myocardial myosin levels may be an underlying contributor to these exercise-induced improvements in cardiac function at an advanced age. Moreover, we found that exercise training resulted in improved sleep quality by ameliorating age-related sleep inefficiency, fragmentation and sleep consolidation.
DOI: 10.1007/s11357-012-9502-y
发表时间: 2013-12
期刊: AGE
影响因子: --
作者:
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